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Old Oct 11, 2006 | 03:45 PM
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Default you guys with big cams..

i wondering what kind of exhaust setups u guys are running i have the ms4 with Lm exhaust i kind of want a diff exhaust for it just curious whats you geys set up thanks
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Old Oct 11, 2006 | 03:50 PM
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are you still stock heads??
and what kind of rpm are you turning the MS4?
also how does it pull at all rpm's?
im wanting to get that cam or the trex so thats y i am asking u?
but for the exaust maybe you should go with some 3"true duals they will def let that cam breathe.
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Old Oct 11, 2006 | 04:29 PM
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Duals would really do you good. I also have the Ms4, I'm running open headers though. lol We run true duals on our TRex cammed car, and I really just don't think any exhaust comes close to duals...twister mufflers, or bullets if you like REALLY loud.
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Old Oct 11, 2006 | 04:32 PM
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Originally Posted by bjamick
are you still stock heads??
and what kind of rpm are you turning the MS4?
also how does it pull at all rpm's?
im wanting to get that cam or the trex so thats y i am asking u?
but for the exaust maybe you should go with some 3"true duals they will def let that cam breathe.
I haven't put mine on the dyno to see actual numbers, but I can tell you it pulls hards all the way up to about 7k where I've got it set to shift. It is a MONSTER.
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Old Oct 11, 2006 | 04:33 PM
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duals!!!!! some people pick up 10 rwhp over cutout/catback
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Old Oct 11, 2006 | 04:37 PM
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Originally Posted by monicaz28
I haven't put mine on the dyno to see actual numbers, but I can tell you it pulls hards all the way up to about 7k where I've got it set to shift. It is a MONSTER.
so how many miles do you have on your car?? and is the bottom end still stock?
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Old Oct 11, 2006 | 04:48 PM
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Originally Posted by bjamick
so how many miles do you have on your car?? and is the bottom end still stock?
It is a stock bottom end. No reason to change that at all unless I was spraying a lot, which I'm not....yet.
This motor has probably 5-7k miles on it now if that's what you're asking.
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Old Oct 11, 2006 | 05:02 PM
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stock heads planning on getting the ls6 heads soon it pulls bad *** at all rpm range i didnt get the num i want when i dynoed it at 385, some say cuz i had cats and no pulley so thats why im changing my exhaust setup and getting a pulley install sometime soon
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Old Oct 11, 2006 | 05:02 PM
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Originally Posted by chris93266
duals!!!!! some people pick up 10 rwhp over cutout/catback
How are people getting 10 more RWHP over a cut-out with true duals (I am assuming an X-pipe?)? Does the "scavenging effect" really do that much over open headers? I have true duals with long-tubes on my SS and plan on getting either the MS3 or the G5X3 pretty soon.
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Old Oct 11, 2006 | 05:08 PM
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i donno what causes it, but the case in point has an x pipe with a hotcam
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Old Oct 11, 2006 | 05:32 PM
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Originally Posted by chris93266
i donno what causes it, but the case in point has an x pipe with a hotcam
Just curious, but did he run the hotcam with open cutouts and then the hotcam with the X-pipe (with no other changes to the car besides X-pipe/cut-out)?
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Old Oct 11, 2006 | 05:43 PM
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yes...

magnaflow catback with open cutout to true duals with x

same cam
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Old Oct 11, 2006 | 06:00 PM
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Originally Posted by chris93266
yes...

magnaflow catback with open cutout to true duals with x

same cam

Hmm...Interesting...I wish I would have dyno'd my car when it was stock to do some comparing
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Old Oct 11, 2006 | 06:02 PM
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his name is chance, he goes by sprung monkey or sprung_monkey on this board
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Old Oct 11, 2006 | 06:11 PM
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I have the Mufflex 4" single exit exhuat on my camaro. Many people think that is too mig for our cars but it has just about the same surface area as a dual 3" with the duals getting just a little more area, aka within a 1.5 square inches.

4" system has 12.6 sq in and the dual 3" has 14.1 sq in.

The muffler on my car is a flowmaster.
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